1Wireless Control: Wirelessly control the radiator of your house with this smart controller through mobile phone, wherever you are. 2Knob Operation: Using knob for easier adjustment of temperature, the setting temperature range is 5 to 35. 3Rotatable Screen: The screen is rotatable, you can read from different angle, obtain a more comfortable user experience. 4Extend Life: Routine decalcification is carried out at 12:00 every Monday to protect the valve from calcification. CR will be displayed on the screen during decalcification. 5Programmable Schedule: Support manual setting of weekly schedule, 4 time periods per day, providing maximum convenience, and setting customized schedule for your room temperature.Item Type: Smart Thermostat Radiator Material: ABS Current Consumption: 100mA maximum Battery: 3 AA batteries (not included) Setting Range: 5 to 35 Ambient Temperature: 0 to 50 Protection Grade: IP20 Connecting Diameter: M30x1.5mm/0.06in Weight: Approx. 229g/8.08oz 1 x Smart Thermostat Radiator 1 x Manual6 x Connector 1 x Screw 1 x NutFor zigbee model needs to be used with for zigbee gateway..